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LCD5110.cpp
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LCD5110.cpp
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#include "WProgram.h"
#include "LCD5110.h"
const byte LCD5110::ASCII[][5] = {
{0x00, 0x00, 0x00, 0x00, 0x00}, // 20
{0x00, 0x00, 0x5f, 0x00, 0x00}, // 21 !
{0x00, 0x07, 0x00, 0x07, 0x00}, // 22 "
{0x14, 0x7f, 0x14, 0x7f, 0x14}, // 23 #
{0x24, 0x2a, 0x7f, 0x2a, 0x12}, // 24 $
{0x23, 0x13, 0x08, 0x64, 0x62}, // 25 %
{0x36, 0x49, 0x55, 0x22, 0x50}, // 26 &
{0x00, 0x05, 0x03, 0x00, 0x00}, // 27 '
{0x00, 0x1c, 0x22, 0x41, 0x00}, // 28 (
{0x00, 0x41, 0x22, 0x1c, 0x00}, // 29 )
{0x14, 0x08, 0x3e, 0x08, 0x14}, // 2a *
{0x08, 0x08, 0x3e, 0x08, 0x08}, // 2b +
{0x00, 0x50, 0x30, 0x00, 0x00}, // 2c ,
{0x08, 0x08, 0x08, 0x08, 0x08}, // 2d -
{0x00, 0x60, 0x60, 0x00, 0x00}, // 2e .
{0x20, 0x10, 0x08, 0x04, 0x02}, // 2f /
{0x3e, 0x51, 0x49, 0x45, 0x3e}, // 30 0
{0x00, 0x42, 0x7f, 0x40, 0x00}, // 31 1
{0x42, 0x61, 0x51, 0x49, 0x46}, // 32 2
{0x21, 0x41, 0x45, 0x4b, 0x31}, // 33 3
{0x18, 0x14, 0x12, 0x7f, 0x10}, // 34 4
{0x27, 0x45, 0x45, 0x45, 0x39}, // 35 5
{0x3c, 0x4a, 0x49, 0x49, 0x30}, // 36 6
{0x01, 0x71, 0x09, 0x05, 0x03}, // 37 7
{0x36, 0x49, 0x49, 0x49, 0x36}, // 38 8
{0x06, 0x49, 0x49, 0x29, 0x1e}, // 39 9
{0x00, 0x36, 0x36, 0x00, 0x00}, // 3a :
{0x00, 0x56, 0x36, 0x00, 0x00}, // 3b ;
{0x08, 0x14, 0x22, 0x41, 0x00}, // 3c <
{0x14, 0x14, 0x14, 0x14, 0x14}, // 3d =
{0x00, 0x41, 0x22, 0x14, 0x08}, // 3e >
{0x02, 0x01, 0x51, 0x09, 0x06}, // 3f ?
{0x32, 0x49, 0x79, 0x41, 0x3e}, // 40 @
{0x7e, 0x11, 0x11, 0x11, 0x7e}, // 41 A
{0x7f, 0x49, 0x49, 0x49, 0x36}, // 42 B
{0x3e, 0x41, 0x41, 0x41, 0x22}, // 43 C
{0x7f, 0x41, 0x41, 0x22, 0x1c}, // 44 D
{0x7f, 0x49, 0x49, 0x49, 0x41}, // 45 E
{0x7f, 0x09, 0x09, 0x09, 0x01}, // 46 F
{0x3e, 0x41, 0x49, 0x49, 0x7a}, // 47 G
{0x7f, 0x08, 0x08, 0x08, 0x7f}, // 48 H
{0x00, 0x41, 0x7f, 0x41, 0x00}, // 49 I
{0x20, 0x40, 0x41, 0x3f, 0x01}, // 4a J
{0x7f, 0x08, 0x14, 0x22, 0x41}, // 4b K
{0x7f, 0x40, 0x40, 0x40, 0x40}, // 4c L
{0x7f, 0x02, 0x0c, 0x02, 0x7f}, // 4d M
{0x7f, 0x04, 0x08, 0x10, 0x7f}, // 4e N
{0x3e, 0x41, 0x41, 0x41, 0x3e}, // 4f O
{0x7f, 0x09, 0x09, 0x09, 0x06}, // 50 P
{0x3e, 0x41, 0x51, 0x21, 0x5e}, // 51 Q
{0x7f, 0x09, 0x19, 0x29, 0x46}, // 52 R
{0x46, 0x49, 0x49, 0x49, 0x31}, // 53 S
{0x01, 0x01, 0x7f, 0x01, 0x01}, // 54 T
{0x3f, 0x40, 0x40, 0x40, 0x3f}, // 55 U
{0x1f, 0x20, 0x40, 0x20, 0x1f}, // 56 V
{0x3f, 0x40, 0x38, 0x40, 0x3f}, // 57 W
{0x63, 0x14, 0x08, 0x14, 0x63}, // 58 X
{0x07, 0x08, 0x70, 0x08, 0x07}, // 59 Y
{0x61, 0x51, 0x49, 0x45, 0x43}, // 5a Z
{0x00, 0x7f, 0x41, 0x41, 0x00}, // 5b [
{0x02, 0x04, 0x08, 0x10, 0x20}, // 5c ¥
{0x00, 0x41, 0x41, 0x7f, 0x00}, // 5d ]
{0x04, 0x02, 0x01, 0x02, 0x04}, // 5e ^
{0x40, 0x40, 0x40, 0x40, 0x40}, // 5f _
{0x00, 0x01, 0x02, 0x04, 0x00}, // 60 `
{0x20, 0x54, 0x54, 0x54, 0x78}, // 61 a
{0x7f, 0x48, 0x44, 0x44, 0x38}, // 62 b
{0x38, 0x44, 0x44, 0x44, 0x20}, // 63 c
{0x38, 0x44, 0x44, 0x48, 0x7f}, // 64 d
{0x38, 0x54, 0x54, 0x54, 0x18}, // 65 e
{0x08, 0x7e, 0x09, 0x01, 0x02}, // 66 f
{0x0c, 0x52, 0x52, 0x52, 0x3e}, // 67 g
{0x7f, 0x08, 0x04, 0x04, 0x78}, // 68 h
{0x00, 0x44, 0x7d, 0x40, 0x00}, // 69 i
{0x20, 0x40, 0x44, 0x3d, 0x00}, // 6a j
{0x7f, 0x10, 0x28, 0x44, 0x00}, // 6b k
{0x00, 0x41, 0x7f, 0x40, 0x00}, // 6c l
{0x7c, 0x04, 0x18, 0x04, 0x78}, // 6d m
{0x7c, 0x08, 0x04, 0x04, 0x78}, // 6e n
{0x38, 0x44, 0x44, 0x44, 0x38}, // 6f o
{0x7c, 0x14, 0x14, 0x14, 0x08}, // 70 p
{0x08, 0x14, 0x14, 0x18, 0x7c}, // 71 q
{0x7c, 0x08, 0x04, 0x04, 0x08}, // 72 r
{0x48, 0x54, 0x54, 0x54, 0x20}, // 73 s
{0x04, 0x3f, 0x44, 0x40, 0x20}, // 74 t
{0x3c, 0x40, 0x40, 0x20, 0x7c}, // 75 u
{0x1c, 0x20, 0x40, 0x20, 0x1c}, // 76 v
{0x3c, 0x40, 0x30, 0x40, 0x3c}, // 77 w
{0x44, 0x28, 0x10, 0x28, 0x44}, // 78 x
{0x0c, 0x50, 0x50, 0x50, 0x3c}, // 79 y
{0x44, 0x64, 0x54, 0x4c, 0x44}, // 7a z
{0x00, 0x08, 0x36, 0x41, 0x00}, // 7b {
{0x00, 0x00, 0x7f, 0x00, 0x00}, // 7c |
{0x00, 0x41, 0x36, 0x08, 0x00}, // 7d }
{0x10, 0x08, 0x08, 0x10, 0x08}, // 7e ?
{0x78, 0x46, 0x41, 0x46, 0x78}, // 7f ?
};
LCD5110::LCD5110(byte sclk_pin, byte sdin_pin, byte dc_pin, byte reset_pin, byte sce_pin, byte led_pin) : sclk_pin(sclk_pin), sdin_pin(sdin_pin), dc_pin(dc_pin), reset_pin(reset_pin), sce_pin(sce_pin), led_pin(led_pin) {
}
/*
* Dtor
*/
LCD5110::~LCD5110(){
}
/**
* Clear the dispplay
*/
void LCD5110::clearScreen(void){
for (int i = 0; i < LCD5110::WIDTH * LCD5110::HEIGHT / 8; i++)
sendValue(LCD5110::DATA, 0x00);
}
/**
* Clear the display and reset the cursor to (0,0)
*/
void LCD5110::clearScreenOrigin(void){
clearScreen();
setOrigin();
}
/**
* Set the pins mode, reset the display and put it in non-inverted video mode
*/
void LCD5110::init(void){
/* Set pins mode */
pinMode(sclk_pin, OUTPUT);
pinMode(sdin_pin, OUTPUT);
pinMode(dc_pin, OUTPUT);
pinMode(reset_pin, OUTPUT);
pinMode(sce_pin, OUTPUT);
pinMode(led_pin, OUTPUT);
reset(); /* Reset the display */
sendValue(LCD5110::COMMAND, 0x20); /* Set PD (power down) off */
setInverseVideo(false);
clearScreen();
}
/**
* Clear the display and print the character c at (0,0)
* @param c Character to be printed
*/
void LCD5110::printChar(byte c){
clearScreen();
setOrigin();
sendChar(c);
}
/**
* Clear the display and print the inverted character c at (0,0)
* @param c Character to be printed
*/
void LCD5110::printInvertedChar(byte c){
clearScreen();
setOrigin();
sendInvertedChar(c);
}
/**
* Clear the display and print the inverted string s starting from (0,0)
* @param s The string to be printed
*/
void LCD5110::printInvertedStr(String s){
clearScreen();
setOrigin();
sendInvertedStr(s);
}
/**
* Clear the display and print the string s starting from (0,0)
* @param s The string to be printed
*/
void LCD5110::printStr(String s){
clearScreen();
setOrigin();
sendStr(s);
}
/**
* Send out a caracter at the current cursor position
* @param c The character to be printed
*/
void LCD5110::sendChar(byte c){
sendValue(LCD5110::DATA, 0x00);
for(int i = 0; i < 5; i++)
sendValue(LCD5110::DATA, LCD5110::ASCII[c - 0x20][i]);
sendValue(LCD5110::DATA, 0x00);
}
/**
* Send out an inverted caracter at the current cursor position
* @param c The character to be printed
*/
void LCD5110::sendInvertedChar(byte c){
sendValue(LCD5110::DATA, 0xFF);
for(int i = 0; i < 5; i++)
sendValue(LCD5110::DATA, 0xFF - LCD5110::ASCII[c - 0x20][i]);
sendValue(LCD5110::DATA, 0xFF);
}
/**
* Send out an inverted string starting from the current cursor position
* @param s The string to be printed
*/
void LCD5110::sendInvertedStr(String s){
int i = 0;
while (i < s.length())
sendInvertedChar(s[i++]);
}
/**
* Send out a string starting from the current cursor position
* @param s The string to be printed
*/
void LCD5110::sendStr(String s){
int i = 0;
while (i < s.length())
sendChar(s[i++]);
}
/**
* Turn the backlight on or off
* @param b Backlight setting
*/
void LCD5110::setBacklight(boolean b){
if (b)
analogWrite(led_pin, 10);
else
analogWrite(led_pin, 0);
}
/**
* Activate or deactivate inverse video mode
* @param b Inverse video setting
*/
void LCD5110::setInverseVideo(boolean b){
if (b)
sendValue(LCD5110::COMMAND, 0x0D);
else
sendValue(LCD5110::COMMAND, 0x0C);
}
/**
* Set the cursor to coordinates (0,0)
*/
void LCD5110::setOrigin(void){
setXYChar(0,0);
}
/**
* Set the cursor to the character at coordinates (X,Y)
* @param x The x coordinate [0:X_CHARS-1]
* @param y Tee y coordinate [0:Y_CHARS-1]
*/
void LCD5110::setXYChar(byte x, byte y){
/* Check for onscreen values */
if (x >= LCD5110::X_CHARS || y >= LCD5110::Y_CHARS)
return;
sendValue(LCD5110::COMMAND, 0x80|(x*LCD5110::CHAR_WIDTH));
sendValue(LCD5110::COMMAND, 0x40|y);
}
/* Private methods */
/**
* Reset the display
*/
void LCD5110::reset(void){
/* Pulse the reset line */
digitalWrite(reset_pin, LOW);
digitalWrite(reset_pin, HIGH);
}
/**
* Send command or data to the display
* @param dc Data/Command flag
* @param data Data content
*/
void LCD5110::sendValue(byte dc, byte data){
digitalWrite(dc_pin, dc);
digitalWrite(sce_pin, LOW);
shiftOut(sdin_pin, sclk_pin, MSBFIRST, data);
digitalWrite(sce_pin, HIGH);
}